The phrase "gives slip" is often used to describe someone escaping or eluding capture or detection. The antonyms for this phrase would include terms that suggest the opposite, such as "captured," "apprehended," "detained," or "caught." Other antonyms might include words like "cornered," "penned," or "trapped," which imply a sense of being unable to escape. Overall, antonyms for "gives slip" suggest a situation where someone or something is successfully prevented from evading the pursuer or capture, resulting in a sense of control and completion.